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Polarization-interleave-multiplexed discrete multi-tone modulation with direct detection utilizing MIMO equalization
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DOI：10.1364/OE.23.008409.png)
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Discrete multi-tone (DMT) modulation is an attractive modulation format for short-reach applications to achieve the best use of available channel bandwidth and signal noise ratio (SNR). In order to realize polarization-multiplexed DMT modulation with direct detection, we derive an analytical transmission model for dual polarizations with intensity modulation and direct diction (IM-DD) in this paper. Based on the model, we propose a novel polarization-interleave-multiplexed DMT modulation with direct diction (PIM-DMT-DD) transmission system, where the polarization de-multiplexing can be achieved by using a simple multipleinput- multiple-output (MIMO) equalizer and the transmission performance is optimized over two distinct received polarization states to eliminate the singularity issue of MIMO demultiplexing algorithms. The feasibility and effectiveness of the proposed PIM-DMT-DD system are investigated via theoretical analyses and simulation studies. (C) 2015 Optical Society of America
Keyword:
OPTICAL COMMUNICATION-SYSTEMS
PHASE MODULATION
TRANSMISSION
DMT
AMPLITUDE
FORMATS
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期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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